Is Your GM Vehicle Running Rough, Stalling, or Showing a Check Engine Light?
If you’re dealing with baffling engine problems like erratic idling, poor fuel economy, a no-start condition, or a persistent check engine light that won’t go away, the root cause is often the very brain of your engine: the Engine Control Module (ECM). As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing ECM can mimic a dozen other issues, leading to costly and frustrating misdiagnoses. This isn’t just a component; it’s the central command center for your vehicle’s performance and efficiency.
A Mechanic’s Real-World Story
“A customer’s 2018 Equinox with the 1.5L engine came into my shop last month. They had already replaced the spark plugs, an ignition coil, and even a fuel injector based on another shop’s advice, but the random misfires and stalling continued. After hooking up my diagnostic scanner and seeing erratic data pids from multiple sensors, my experience pointed straight to the ECM. We installed one of our VIN-programmed modules, performed the necessary relearns, and the vehicle ran perfectly. They had spent hundreds on parts they didn’t need, when the real culprit was the computer all along.”
The Smart Solution: A VIN-Programmed ECM
Forget the exorbitant costs and scheduling headaches of a dealership. We offer a reliable, tested, and ready-to-install used OEM Engine Control Module, service number 12669908. The critical difference? We program it specifically for YOUR vehicle before it ever leaves our facility. You provide us with your Vehicle Identification Number (VIN) after purchase, and we flash the module with the latest, most stable software calibrations directly from GM. This ensures the ECM communicates perfectly with your car’s specific engine, transmission, and options.
- โ No Dealer Programming Needed: We handle the complex programming, saving you hundreds of dollars and a trip to the dealer.
- โ Latest GM Software: Your module arrives with the newest factory updates, often resolving issues that were present even in the original software.
- โ Cost-Effective Repair: Get a genuine, tested OEM part from a salvaged vehicle at a fraction of the price of a new unit.
- โ Direct Fit: Guaranteed to be the correct hardware for all models listed below matching service number 12669908.
Understanding the 2017-2021 Malibu ECM Installation Process
While we handle the difficult programming, modern vehicles have sophisticated security systems. After installing this module, a final step is required to sync it with your car’s anti-theft system. This is a standard procedure for this type of repair.
IMPORTANT NOTICE: It is the buyer’s responsibility to have a qualified technician perform the final setup procedures. This is not a defect but a required security measure.
- Vehicle Theft Deterrent System (VTDS) Relearn: If the vehicle does not start after installation, the VTDS must be relearned. This procedure pairs the new ECM to your vehicle’s keys and ignition system. It requires a professional scan tool with access to the GM programming system (TIS2Web).
- Other Potential Relearns: Depending on your specific vehicle, other procedures like a Crankshaft Position Variation Relearn or injector flow rate programming may be necessary to achieve optimal performance. Any professional automotive shop will be familiar with these final setup steps.
Guaranteed Fitment for Service Number 12669908
This module is a direct replacement for the original ECM with service number 12669908. Please verify your original part number or consult the list below. This part fits the following vehicles with the specified options:
- ACADIA: 2017 (VIN Z, 2.5L), 2018 (2.5L)
- ATS: 2017 (2.0L)
- CRUZE: 2017-2018 (Gasoline)
- CTS: 2017 (2.0L)
- EQUINOX: 2018 (1.5L, 2.0L), 2019 (1.5L, ID 12669908)
- LACROSSE: 2018 (2.5L)
- MALIBU: 2017, 2018 (1.8L, 2.0L)
- REGAL: 2018 (2.0L)
- VOLT: 2017-2018 (Gasoline, ID 12669908)
Don’t let a faulty computer keep you off the road. Take control of your repair with a reliable, professionally programmed ECM. Provide your VIN at checkout and let us handle the rest.